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| | Post Date: 2007-1-9 Expiry date: 6 months |
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Potassium feldspar
The feldspar of potassium is the aluminium silicate mineral of alkali metal or alkaline-earth metals such as potassium, sodium, calcium, which the type is mainly the pegmatite, there are a small amount of alkaline pegmatite, alkaline rock, in addition, the potassium rock still include potassium sand shale and tuff.
Physical characteristic, density 2.52~2.58g/cm3, hardness 5.8, monocline brilliant, crystal take the form of column and thick plank, the color is pinkish, white, colorful and transparent.
Chemistry component:
Index K2O NaO Fe2O3 SiO2 Al2O3
Content 11.5% 2.3% <0.2% 60% 12%
Main use:
Used mainly in ceramic industry, glass industry, electric porcelain, welding rod, chemical industry, potassium, grind and abrade tool, glass fibre, welding rod, etc..
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